OpenEVSE WiFi Node Interface

Node web app for OpenEVSE WiFi gateway, can be run on embeded Linux e.g Raspberry Pi or OrangePi connected to a openevse controller via serial.

Requirements

sudo apt-get intall node nodejs npm

Tested with npm V5.6.0 and nodejs v9.5.0.

If a new version of nodejs is not available for your distribution you may need to update, see nodejs install page.

Produciton

Install NPM package:

npm install -g openevse_wifi

Run with, where <endpoint> is the serial port where the open_evse controller:

openevse_wifi --endpoint <endpoint>

Development

Install local version running from source:

git clone <this-repo>
npm install

Run using the following, where <endpoint> is the serial port where the open_evse controller

npm start --port 3000 --endpoint <endpoint>

e.g

npm start -- --port 3000 --endpoint /dev/AMA0

For testing a http end-point of OpenEVSE WiFi gateway can be used e.g

npm start -- --port 3000 --endpoint http://192.168.0.43

or

npm start -- --port 3000 --endpoint http://openevse.local/

Then point your browser at http://localhost:3000/

Depending on your npm setup you may need to install the following:

npm install body-parser
npm install express
npm install

Debugging

OpenEVSE WiFi uses the debug library as does a number of the dependant modules. To enable debug you set the DEBUG variable to a filter indicating the modules you wish to receive debug from, eg;

export DEBUG=openevse*
npm start

for Linux or

$env:DEBUG="openevse*"
npm start

for Powershell on Windows

Note: the following is from the ESP8266 version, may not apply

Tip The OpenEVSE WiFi HTML/JS/CSS can be 'compiled' without building the full firmware using the command:

pio run -t buildfs

Run as a service

Using systemd

sudo cp openevse.service /etc/systemd/system/openevse.service

Edit service file to specify correct path to match installation location

sudo nano /etc/systemd/system/openevse.service

Run at startup:

sudo systemctl daemon-reload
sudo systemctl enable openevse.service

Using PM2

sudo npm install -g pm2
pm2 start app.js

For status:

pm2 info app
pm2 list
pm2 restart app
mp2 stop app

Serve via apache

Install apache mod-proxy module then enable it:

sudo apt-get install libapache2-mod-proxy-html
sudo a2enmod proxy
sudo a2enmod proxy_http
sudo a2enmod rewrite

copy example-openevse-apache.conf to /etc/apache2/sites-available making the relevant changes for your server then enable the site using a2ensite. e.g.

sudo cp example-openevse-apache.conf /etc/apache2/sites-available/openevse.conf
sudo a2ensite openevse

Create log files, this step may not be needed but it's a good idea to check the permissions.

sudo touch /var/log/apache2/openevse_error.log
sudo touch /var/log/apache2/openevse_access.log
sudo service restart apache2